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    SubjectRe: Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.28-1
    >I've got one of those 'my box just locked up'. I can reproduce it with
    >0.7.25-1, 0.7.28-0 and 0.7.28-1 by starting the Jetty servlet container
    >with our inhouse java project under a Blackdown 1.4 jdk. Within a minute
    >the laptop just locks up: no mouse, no ping, console switching sysrq-t

    Sysrq+T itself might work, it's just a matter to get to the console! If you can
    get to a con, I'm sure it does, because hitting the keys generates an interrupt
    which will be delivered to the sysrq code if interrupts are not currently
    disabled. So even if your box appears totally dead, you'd be surprised when you
    hit Sysrq+B.

    To get any data, I'd start a vnc server on it, and all graphical apps in it,
    and let the machine itself stay on tty10 (or wherever kernel output goes), and
    then try hitting Sysrq+T when it hangs.



    Jan Engelhardt
    --
    Gesellschaft für Wissenschaftliche Datenverarbeitung
    Am Fassberg, 37077 Göttingen, www.gwdg.de
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